diff --git a/Makefile b/Makefile
index 0c181ff..d760e9f 100644
--- a/Makefile
+++ b/Makefile
@@ -99,6 +99,7 @@ HELPER_HOOKS_SHELL+=mandb
 HELPER_HOOKS_SHELL+=systemd-tmpfiles
 HELPER_HOOKS_SHELL+=gconf-install-schemas
 HELPER_HOOKS_SHELL+=info-dir
+HELPER_HOOKS_SHELL+=kernel-modules
 
 MANPAGES+=bee.1
 MANPAGES+=bee-check.1
diff --git a/hooks/kernel-modules.sh b/hooks/kernel-modules.sh
new file mode 100755
index 0000000..65e1f98
--- /dev/null
+++ b/hooks/kernel-modules.sh
@@ -0,0 +1,36 @@
+#!/bin/bash
+#
+action=${1}
+pkg=${2}
+content=${3}
+: ${content:=${BEE_METADIR}/${pkg}/CONTENT}
+
+if [ -z ${BEE_VERSION} ] ; then
+    echo >&2 "BEE-ERROR: cannot call $0 from the outside of bee .."
+    exit 1
+fi
+
+: ${DEPMOD:=depmod}
+
+if [ ! type -p ${DEPMOD} >/dev/null 2>&1 ; then
+    exit 0
+fi
+
+if [ ! -r "${BEE_METADIR}/${pkg}/META" ] ; then
+    exit 0
+fi
+
+. ${BEE_METADIR}/${pkg}/META
+
+if [ ! "${BEEMETAFORMAT:=0}" -ge 2 ] ; then
+    exit 0
+fi
+
+case "${action}" in
+    "post-install"|"post-remove")
+        for ver in  $(grep -Po  ':file=/lib/modules/\K([^/]+)(?=/)' ${content}|sort -u) ; do
+            echo "$DEPMOD $ver"
+            test -e /lib/modules/$ver/modules.builtin && $DEPMOD $ver
+        done
+        ;;
+esac
diff --git a/src/bee-cache.sh.in b/src/bee-cache.sh.in
index 9bf1cdd..b1e2b2e 100644
--- a/src/bee-cache.sh.in
+++ b/src/bee-cache.sh.in
@@ -35,6 +35,10 @@ VERSION=${BEE_VERSION}
 : ${BEECACHE_CACHEDIR=${BEE_CACHEDIR}/bee-cache}
 : ${BEECACHE_INVENTORY=${BEECACHE_CACHEDIR}/INVENTORY}
 
+function ere_quote() {
+    sed 's/[]\.|$(){}?+*^]/\\&/g' <<< "$*"
+}
+
 function cache_verify() {
     if ${BEEFLOCK} --shared "${BEECACHE_INVENTORY}" \
               sort -c -u -r -k8 -k1 "${BEECACHE_INVENTORY}" 2>/dev/null ; then
@@ -92,7 +96,7 @@ function print_conflicts() {
 
     grep --file=<(print_conflicting_files "${pkg}" | cut -d ' ' -f8- | sed -e 's,.*, &$,') \
         <( tmp_merge_install_inventory_files "${TMPINSTALL[@]}" ) \
-        | grep -v -E "^${pkgfullname}-[^-]+-[^-]+ "
+        | grep -v -E "^$(ere_quote "${pkgfullname}")-[^-]+-[^-]+ "
 }
 
 function cache_conflicts() {
@@ -118,7 +122,7 @@ function print_conflicting_files_for_pkg() {
     local inventory=$2
 
     cache_conflicts ${inventory} \
-        | grep -E "^${pkg} "
+        | grep -E "^$(ere_quote "${pkg}")"
 }
 
 function cache_uniq() {
@@ -144,7 +148,7 @@ function print_uniq_files_for_pkg() {
     local inventory=$2
 
     cache_uniq ${inventory} \
-        | grep -E "^${pkg} "
+        | grep -E "^$(ere_quote "${pkg}")"
 }
 
 function print_missing_files() {
@@ -161,7 +165,7 @@ function print_missing_files() {
             echo "${line}"
         fi
     done < <( tmp_merge_install_inventory_files "${TMPINSTALL[@]}" ) \
-        | grep -E "^${pkg} "
+        | grep -E "^$(ere_quote "${pkg}")"
 }
 
 function tmp_merge_install_inventory_files() {
diff --git a/src/bee-init.sh.in b/src/bee-init.sh.in
index 76d74e6..330816c 100644
--- a/src/bee-init.sh.in
+++ b/src/bee-init.sh.in
@@ -210,6 +210,10 @@ function initialize() {
             surl="${surl} ${pname}.tar.gz"
         fi
 
+        if [[ $surl =~ ^https://github\.molgen\.mpg\.de/([^/]+)/([^/]+)/archive/(.+)\.tar\.gz$ ]] ; then
+            pname="${BASH_REMATCH[2]}-${BASH_REMATCH[3]#v}"
+        fi
+
         if [[ "${OPT_BUILDTYPE}" = "r-package" || "${surl}" = http://cran.r-project.org/src/contrib/* ]] ; then
             local cran_pname
             local cran_version
@@ -301,6 +305,7 @@ function initialize() {
 
     sed -e "s,@DEFAULT_CONFIGURE_OPTIONS@,${DEFAULT_CONFIGURE_OPTIONS}," \
         -e "s,@DEFAULT_CONFIGURE_OPTIONS_NOTSET@,${DEFAULT_CONFIGURE_OPTIONS_NOTSET}," \
+        -e 's/\s$//' \
         -i ${beefile}
 
     for i in prefix eprefix bindir sbindir libexecdir sysconfdir \
diff --git a/src/bee-install.sh.in b/src/bee-install.sh.in
index b01adbd..647a5a3 100644
--- a/src/bee-install.sh.in
+++ b/src/bee-install.sh.in
@@ -387,7 +387,8 @@ function do_install_file() {
         --transform="s,^META$,${BEE_METADIR}/${pkg}/META," \
         --transform="s,^PATCHES,${BEE_METADIR}/${pkg}/PATCHES," \
         --transform="s,^DEPENDENCIES$,${BEE_METADIR}/${pkg}/DEPENDENCIES.deprecated," \
-        --show-transformed-names
+        --show-transformed-names \
+        || exit 1
 
     if [ ! -e "${BEE_METADIR}/${pkg}/CONTENT.INSTALL" ] ; then
         # create CONTENT.INSTALL from CONTENT.FILES
diff --git a/src/beesh.sh.in b/src/beesh.sh.in
index 7231b61..018ca0f 100644
--- a/src/beesh.sh.in
+++ b/src/beesh.sh.in
@@ -47,6 +47,8 @@ VERSION=${BEE_VERSION}
 # load libs
 . ${BEE_LIBEXECDIR}/bee/beelib.config.sh
 
+umask 022
+
 function bee-cache() {
     ${BEE_LIBEXECDIR}/bee/bee.d/bee-cache "${@}"
 }
@@ -729,7 +731,11 @@ function verify_new_package_variables() {
             exit 1
         fi
         PKGNAME=${PKGFULLNAME//_*}
-        PKGEXTRANAME=${PKGFULLNAME#*_}
+        if [ "$PKGNAME" = "$PKGFULLNAME" ] ; then
+            PKGEXTRANAME=""
+        else
+            PKGEXTRANAME=${PKGFULLNAME#*_}
+        fi
     fi
     PKGFULLNAME="${PKGNAME}${PKGEXTRANAME:+_${PKGEXTRANAME}}"
 
@@ -740,7 +746,11 @@ function verify_new_package_variables() {
             exit 1
         fi
         PKGVERSION=${PKGFULLVERSION//_*}
-        PKGEXTRAVERSION=${PKGFULLVERSION#*_}
+        if [ "$PKGVERSION" = "$PKGFULLVERSION" ] ; then
+            PKGEXTRAVERSION=""
+        else
+            PKGEXTRAVERSION=${PKGFULLVERSION#*_}
+        fi
     fi
     PKGFULLVERSION="${PKGVERSION}${PKGEXTRAVERSION:+_${PKGEXTRAVERSION}}"
 }
@@ -780,7 +790,7 @@ function extract_new_package_variables() {
     PKGFULLPKG=${PKGFULLNAME}-${PKGFULLVERSION}-${PKGREVISION}
 
     # since PKGARCH is now known reconstruct PKGALLPKG
-    : ${PKGALLPKG:=${PKGFULLPKG}.${PKGARCH}}
+    PKGALLPKG="${PKGFULLPKG}.${PKGARCH}"
 
     eval $("${BEE_BINDIR}/beeversion" "${PKGALLPKG}")
 }